"This revolutionary product is the only patented and third-party certified toilet flange that is engineered to provide a complete watertight seal to the floor."
"Inspired the creation of the plumbing standard IMPO IGC 285."
"Culwell Flange outperforms the traditional toilet flange, even when used without a floor-covering membrane."
"Unlike traditional toilet flanges, the patented Culwell Flange toilet flange seals to the floor and resists corrosion and breakage."
"Culwell Flange works to prevent leaks, water damage and costly repairs."
Supply House Times
"Culnat™ LLC to introduce ‘new’ standard in closet flanges” – the Culwell™Flange"